Arduino Core for STM32 1.8.0

This release includes:

Add support of:

• Nucleo L452RE-P
• STM32MP157A-DK1
• STM32MP157C-DK2
• Adafruit Feather STM32F405 Express
• Generic F401R(B-C-D-E)
• PX-HER0
• ThunderPack
• Malyan M300
• Prntr Board V2
• Wraith V1 ESC

HAL Drivers and CMSIS updated:

• STM32F0xx HAL Drivers to v1.7.3
• STM32F0xx CMSIS to v2.3.4
• STM32F3xx HAL Drivers to v1.5.3
• STM32F3xx CMSIS to v2.3.4
• STM32F4xx HAL Drivers to v1.7.7
• STM32F4xx CMSIS to v1.7.7 …
• STM32WBxx HAL Drivers to v1.3.0
• STM32WBxx CMSIS to v1.3.0

HAL Drivers and CMSIS added:

• STM32MP1xx HAL Drivers v1.1.0
• STM32MP1xx CMSIS v1.1.0

Middleware added:

• OpenAMP v1.0.3

Core dependencies:

• Updates STM32 Tools 1.3.2
• Move from arm-none-eabi-gcc 8.2.1-1.7 to xpack-arm-none-eabi-gcc-9.2.1-1.1. See important note

Enhancements/improvements:

• Remove use of whole-archive (#677)
• HardwareSerial support half-duplex See Wiki
• CMSIS DSP support as built-in library. Include CMSIS_DSP.h allows to use DSP functions.
• Support precompiled libraries as described in Arduino IDE 1.5: Library specification
• Added the repeated-start feature in I2C driver (#590)
• [SoftwareSerial] Add function to set interrupt priority
• [HardwareTimer) Add methods to check if there's an IRQ handler
• [NUCLEO_L073RZ] Enable USB clock
• Add printf to Print class: Print:printf
• Allow to enable HAL module only. See Wiki
• [Wire] New begin method for late call configuration (#838)
• Allow non contiguous analog pins definition

Fixes:

• [USB] Fix EP0 STALL issue in STM32 USB Device library
• [TIM] Fix TIM6_IRQn definition
• [ADC] Fix ADC_InitTypeDef member for STM32F37xx
• [I2C] Fix error management in Read/Write
• [Nucleo-G071RB] Fix analog pin issue
• Fix single-pin half-duplex in SoftwareSerial::send
• [NUCLEO-H743ZI] Fix Analog pin mapping
• [SPI] Fix prescaler at low baudrates (#794)
• [ARMED_V1] Fix wrong NUM_DIGITAL_PINS value
• [NUCLEO_L452RE] Fix PC1 pin number
• [Nucleo-G431xx] Add new node name
• Fix ADC_RESOLUTION, PWM_RESOLUTION and DACC_RESOLUTION usage
  …

Plus several other fixes: See 1.7.0...1.8.0

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino 😉

Arduino Core for STM32 1.7.0

This release includes:

Add support of:

• Blackpill F401CC
• Nucleo-G431KB
• Nucleo-G431RB
• Nucleo-G474RE
• STEVAL-MKSBOX1V1 (SensorTile.box)
• SharkyMKR from Midatronics
• Core Board F401RC
• Afroflight Rev 5 (8/12MHz)
• Generic STM32F103R(8/B/C/E)
• Add module RHF76-052 based on STM32L051

Extend support

• STM32F030F4 Demo board using 16MHz X-TAL or HSI.

HAL Drivers and CMSIS updated:

• STM32F1xx HAL Drivers to v1.1.4 (USB related files reverted due to a regression)
• STM32F1xx CMSIS to v4.3.1
• STM32F2xx HAL Drivers to v1.2.3
• STM32F2xx CMSIS to v2.2.2
• STM32G0xx HAL Drivers to v1.3.0
• STM32G0xx CMSIS to v1.3.0
• STM32H7xx HAL Drivers to v1.6.0
• STM32H7xx CMSIS to v1.6.0
• STM32WBxx HAL Drivers to v1.2.0
• STM32WBxx CMSIS to v1.2.0

HAL Drivers and CMSIS added:

• STM32G4xx HAL Drivers v1.1.0
• STM32G4xx CMSIS v1.1.0

Middleware updated:

• STM32 USB Host library to v3.3.3
• STM32 USB Device library to v2.5.3

Core dependencies:

• Updates STM32 Tools 1.3.1

Enhancements/improvements:

• [PinMap] Add WEAK attribute to PinMap arrays. See custom pinmap array wiki page.
• Add HardwareTimer library. See wiki
• [I2C] Harden error management
• Allow F_CPU redefinition
• [Time] delayMicroseconds() accuracy
• Add SoftwareSerial built-in library
• Allow not to have analog pin. If no analog pin required then NUM_ANALOG_INPUTS and NUM_ANALOG_FIRST could be not defined or set to respectively 0 and NUM_DIGITAL_PINS. Nevertheless, this kept ADC internal channels functional if HAL_ADC_MODULE_ENABLED still defined.
• Update Nucleo H743ZI(2) variant to use HSE

Fixes:

• [I2C] Compute timing properly. See i2c-timing wiki page.
• Fix {build.mcu} definition then library can provide a precompiled library.
• [Time] Fix ticks per ms value used to compute micros
• [USB] Fix endpoints configurations

Plus several other fixes: See 1.6.1...1.7.0

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino 😉

Arduino Core for STM32 1.6.1

This release includes:

Add support of:

Add support of RobotDyn BlackPill F303CC

Core dependencies:

• Moved from arm-none-eabi-gcc 8-2018-q4-major to 8.2.1-1.7

Fix:

• Linker error if path contains space under windows:
  See stm32duino/arm-none-eabi-gcc#1

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

Arduino Core for STM32 1.6.0

This release includes:

Add support of:

• Nucleo H743ZI2
• Nucleo G071RB
• P-Nucleo WB55RG (No BLE support at this time)
• Sparky V1
• STEVAL-3DP001V1
• VAkE v1.0

HAL Drivers and CMSIS updated:

• STM32F0xx HAL Drivers to v1.7.2
• STM32F4xx HAL Drivers to v1.7.6
• STM32F4xx CMSIS to v2.6.3
• STM32F7xx HAL Drivers to v1.2.7
• STM32F7xx CMSIS to v1.2.4
• STM32H7xx HAL Drivers to v1.5.0
• STM32H7xx CMSIS to v1.5.0
• STM32L0xx HAL Drivers to v1.10.2
• STM32L1xx HAL Drivers to v1.4.0
• STM32L1xx CMSIS to v2.3.0
• STM32L4xx HAL Drivers to v1.10.0
• STM32L4xx CMSIS to v1.5.1

HAL Drivers and CMSIS added:

• STM32G0xx HAL Drivers v1.2.0
• STM32G0xx CMSIS v1.2.0
• STM32WBxx HAL Drivers v1.1.0
• STM32WBxx CMSIS v1.1.0

Core dependencies:

• Moved from CMSIS 5.3.0 to 5.5.1
• Moved from arm-none-eabi-gcc 6-2017-q2-update to 8-2018-q4-major
• Updates STM32 Tools 1.3.0

Enhancements/improvements:

• Introduce code formatting using Astyle 3.1:
  • code style definition: .astylerc
  • ignored path: .astyleignore
  • python script to launch Astyle: astyle.py
• Add STM32 core version. See Wiki
• Code cleaning/hardening:
  • Clean useless legacy comments
  • Remove useless array for digital pins configured
  • Dynamically handle I2C, UART and Timer indexes
  • [USB HID] Harden init
  • [I2C] Harden init and save space
  • [UART] Save space and avoid loop to search the right serial_t obj
• Several update for USB device from @makarenya and @ghent360
• [RTC] Handle reset time (#266)
• [DWT] Add API to enable DWT access
• Use DWT cycle counter for delayMicroseconds()
• [DISCO_L072CZ_LRWAN1] Enable USB clock
• [Timer] Extend channels support (#477)
• Support custom USBD_reenumerate (#500)
• Re-evaluate interrupt priority values(#472). See Custom-definitions
• Introduce STM32CubeProgrammer:
  • Replace STLink and Serial upload methods
  • Add DFU upload method
    Warning: user have to install the STM32CubeProgrammer manually, it is not provided by the STM32 tools package.
• Review HAL configurations to add some enhancement and flexibility, see #518 and HAL configuration WiKi page
• Add DTR toggling sequence support:
  • Enabled thanks: DTR_TOGGLING_SEQ
  • User can redefine its own hook by redefining: dtr_togglingHook(uint8_t *buf, uint32_t *len)
• Maple bootloader support (legacy) thanks @BennehBoy and @Serasidis
• Add dummy analogReference() for compatibility
• Add internal ADC channels support. See Wiki
• HID Bootloader v2.2 support thanks @Serasidis :
  https://github.com/Serasidis/STM32_HID_Bootloader
• Add general call mode API. See Wiki

Fixes:

• [UART] Fix serial port full-duplex bug
• [UART] Fix error callback (clear flags and restart receive IT)
• Fix to build with ISO C standard
• Fix dtostrf() with value in range -1.0 < val < 0.0 (#513)

Plus several other fixes: See 1.5.0...1.6.0

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

known issues

• Linker error if path contains space.:
  <...>/stm32/tools/arm-none-eabi-gcc/8-2018-q4-major/bin/../lib/gcc/arm-none-eabi/8.2.1/lto-wrapper.exe: No such file or directory
  See stm32duino/arm-none-eabi-gcc#1

Arduino Core for STM32 1.5.0

This release includes:

• Added support of:

  • Nucleo H743ZI
  • Nucleo L452RE
  • Nucleo L412KB
  • 32F072BDISCOVERY
  • STM32F030F4 Demo board
  • BluePill F103C(6-8-B) (extend MCU version)
  • BlackPill F103C(8-B)  
  • HY-TinySTM103T
  • Black F407VG/ZE/ZG
  • DIYMROE STM32F407VGT
  • FK407M1
  • ARMED V1
  • EExtruder F030 V1
  • Malyan M200 V1
  • Malyan M200 V2
  • Prntr Board V1
  • RUMBA32

• HAL Drivers and CMSIS updated:

  • STM32F1xx HAL Drivers to v1.1.3
  • STM32F1xx CMSIS to v4.3.0
  • STM32L0xx HAL Drivers to v1.10.0
  • STM32L0xx CMSIS to v1.9.0

• New HAL Drivers and CMSIS:

  • STM32H7xx HAL Drivers v1.4.0
  • STM32H7xx CMSIS v1.4.0

• Enhancements/improvements

  • Use LL for GPIO access
  • Add digitalReadFast()/digitalWriteFast() API (use the PinName (PY_n) instead of the pin number (PYn))
  • Add digitalToggle()/digitalToggleFast()
  • Add USB CDC support across all supported series in FS/HS.
  • Update USB HID composite (keyboard and mouse)
  • Remove CapacitiveSensor built-in library (support added in official library)
  • Add preprocessing of linker script. This allow to use switch in ldscript.ld file.
    By default, add define for RAM and FLASH max size:
    -DLD_MAX_SIZE={upload.maximum_size} -DLD_MAX_DATA_SIZE={upload.maximum_data_size}
  • Rework Serial and USB menu:
    • Rename "Serial interface" to "U(S)ART support"
    • Rename "USB interface" to "USB support"
    • Add "USB speed" menu for USB speed: LS/FS/HS/HS in FS
    • Reword some descriptions

• Fixes

  • Fix SPI::setClockDivider implementation (#299)
  • Replace boolean with standard bool. boolean type now marked as deprecatedcd stm. See arduino/Arduino#4673.
  • [EEPROM] Wrong E2END definition (#396)
  • [dtostrf] Fix missing leading zeros in decimal part

Plus some other fixes: See 1.4.0...1.5.0

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

Arduino Core for STM32 1.4.0

This release includes:

• Added support of:

  • Nucleo L4R5ZI (thanks @Lannakin)
  • Nucleo L4R5ZI-P (thanks @Lannakin)
  • Black F407VET6 (thanks @edogaldo )
  • Blue F407VET6 Mini (thanks @edogaldo )
  • Nucleo F767ZI (thanks @davidangerls)
  • RemRam v1 (thanks @hasenbanck )
  • Nucleo L073RZ (thanks @zoomx )
  • RAK811 LoRa Tracker (Basic support) (thanks @sabas1080 )

• HAL Drivers and CMSIS updated:

  • STM32F3xx HAL Drivers to v1.5.2
  • STM32F3xx CMSIS to v2.3.3
  • STM32F7xx HAL Drivers to v1.2.6
  • STM32F7xx CMSIS to v1.2.3
  • STM32L4xx HAL Drivers to v1.9.0
  • STM32L4xx CMSIS to v1.5.0

• [F1xxx] LSI typical value is 40kHz

• Fix I2C issues raised since IT mode introduction

• Add I2C Scanner examples thanks @Testato

• WString: add toDouble (Arduino compatibility)

• [U(S)ART] Allow to use defined PIN_SERIALx_RX and PIN_SERIALx_TX in variant.h if user instantiate a hardware Serial using peripheral name.
  Example:
  HardwareSerial mySerial(USART3);
  will use PIN_SERIAL3_RX and PIN_SERIAL3_TX if defined.

• Allow use of a custom startup file:
  Syntax in the board.txt:
  xxx.build.startup_file=-DCUSTOM_STARTUP_FILE

  Example to use a custom startup file for Nucleo_L476RG:
  Nucleo_64.menu.pnum.NUCLEO_L476RG.build.startup_file=-DCUSTOM_STARTUP_FILE
  Then add a "*.S" file in the "variant/NUCLEO_L476RG/" folder
  Important note: extension must be '.S' not '.s'

  CUSTOM_STARTUP_FILE could also be defined thanks the build_opt.h.
  CMSIS_STARTUP_FILE could now be overridden using the build_opt.h, ex:
  -DCMSIS_STARTUP_FILE=\"startup_stm32l476xx.s\"

• Remove SD core dependencies. STM32SD will be able to handle properly SD detect pin and FatFs options.
  SD_DETECT_PIN pin number definition could be added in variant.h
SD_DATATIMEOUT could be redefined in variant.h

• Use define instead of enum for pins in variant.h thanks @ghent360 (Arduino compatibility)

• Fix _sbrk() to avoid user heap to override the minimum stack size

• Define _sbrk() as weak

• [Nucleo-L476RG] Fix available SRAM size

• [Nucleo-L432KC] Provide full SRAM access

• Enable FPU Single Precision (SP) for Nucleo-F303K8

• Add keywords.txt (Arduino compatibility)

• Fix std::abs() usage

• Add script to build the core thanks Travis (CI build)

• Add menu options for C RunTime library

• Change hourAM_PM_t enum member name. Required by STM32RTC library higher than 1.1.0.

• [EEPROM] Fix address capablilities

• [EEPROM] Allow FLASH definition to be redefined

• [EEPROM emulation] Rework for buffered access thanks @hasenbanck

• [U(S)ART] Fix AF settings

• Update LL wrapper files management. Move all LL wrapper file in LL/ directory instead of HAL/
  Split stm32yyxx_ll.h file per feature (stm32yyxx_ll_*.h), this allow a better granularity and to include only the required LL header file instead of the full list.

• Add built-in IWatchdog library thanks @ghent360.

• Add debug(const char *format, ...) function

• Remove GSM built-in library

• Remove UART emulation

Plus some other small fixes: See 1.3.0...1.4.0

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

Arduino Core for STM32 1.3.0

This release includes:

• Added support of:
  • NUCLEO-L496ZG
  • NUCLEO-L496ZG-P
  • STM32F0308Discovery (thanks @amassou2017)
• Enable USART2 TX in the DISCO_L475VG_IOT
• HAL Drivers and CMSIS updated:
  • STM32F1xx HAL Drivers to v1.1.2
  • STM32F3xx HAL Drivers to v1.5.1
  • STM32L4xx HAL Drivers to v1.8.3
  • STM32L4xx CMSIS to v1.4.3
• Add RTC driver required for STM32RTC
• Add low power driver required for STM32LowPower
• Allow VECT_TAB_OFFSET to be redefined
• Review Serial menu, 3 options:
  • Enabled with generic Serial: default, define HAL_UART_MODULE_ENABLED
    and instantiate Serial using SERIAL_UART_INSTANCE and PIN_SERIAL_RX/PIN_SERIAL_Tx
  • Enabled without generic Serial: define HAL_UART_MODULE_ENABLED
  • Disabled (No Serial): HAL_UART_MODULE_ENABLED not defined
    Allow to build without HAL_UART_MODULE_ENABLED (save memory)
    Now, HAL_UART_MODULE_ENABLED should not be defined in stm32yyxx_hal_conf.h
• Add LPUART1 management
• Several clean and other fixes ...

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

known issues

• I2C: Several issue raised around I2C and related to IT mode implementation, see #217
• [STLink] Failed to flash Nucleo L496ZG(-P) under Linux and Mac, see stm32duino/Arduino_Tools#23
• Since e02bc35, some serial was not functional. Ex for Nucleo-L432KC, the AF of USART2 (used for STLink VCP)
  are not the same. See #312

Arduino Core for STM32 1.2.0

This release includes:

• Added support of:
  • BluePill F103C8 (Basic support, no USB)
  • MapleMini F103CB (Basic support, no USB)
• Fixed build failed on Windows if path contains space.
• Update c++ compilation standard to 2014 from 2011
• Moved from CMSIS 4.5.0 to 5.3.0
• HAL Drivers and CMSIS updated:
  • STM32F4xx HAL Drivers to v1.7.4
  • STM32F7xx HAL Drivers to v1.2.5
  • STM32F7xx CMSIS to v1.2.2
  • STM32L1xx CMSIS to v2.2.3
  • STM32L4xx HAL Drivers to v1.8.2
  • STM32L4xx CMSIS to v1.4.2
• Arduino compatibility:
  • Ax pin definition is now inline with Arduino style
  • Defining NUM_DIGITAL_PINS and NUM_ANALOG_INPUTS as literals
• Specify the ARM GCC version in platforms.txt (thanks @sandeepmistry)
• Add LoRa pins definition for B-L072Z-LRWAN1. LoRa Radio tested thanks arduino-LoRa library.
• Removed LwIP option file from the core (lwipopts.h)
  A default one is provided with STM32Ethernet library.
  Add a file named "STM32lwipopts.h" in the sketch folder could be used instead of the default config.
• Several clean and other fixes ...

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

Warning

Release versioning has been changed from date versioning to semantic one. See Release Versioning change

known issues

• I2C: Several issue raised around I2C and related to IT mode implementation, see #217

Arduino Core for STM32 1.1.1

This release includes:

• Added support of:

  • Nucleo F446RE
  • Nucleo-L031K6 (thanks @silviooliva )

• Added ability to bind std:function on interrupts

• Added _Error_Handler(const char *, int)

• Added FreeRTOS support

• Added new HardwareSerial constructor using pin number

• Added setXXX methods to change used pins of Wire or SPI instances:
  Example to change pins used by Wire instance (by default use defined SDA/SCL ):

  Wire.setSDA(A4);
  Wire.setSCL(PC2);
  Wire.begin();
  

  Example to change pins used by SPI instance (by default use defined MISO/MOSI/SCK):

  SPI.setMOSI(22);
  SPI.setMISO(PA3);
  SPI.begin();
  

• Added recipe.hooks feature to override gcc options thanks a file named "build_opt.h" in the sketch directory.

• Allow to redefine core Exception handler

• Enhance DEBUG_UART feature (used by printf)

• Improve micros() accuracy using SysTick COUNTFLAG

• Improve SPI library code clarity

• Provide access to Low Layer (LL) drivers

• Fixed build issue when USART1 or USART2 is not defined

• Fixed L4 ADC read issue

• Fixed LED_BUILTIN for DISCO_L072CZ_LRWAN1

• Several clean and other fixes ...

Several components libraries are available on stm32duino organization.
They are also available through the Arduino library manager. Search for STM32duino ;)

known issues

• Build failed on Windows if path contains space.
  See #204

Note: Old release was 2018.1.18

Arduino Core for STM32 1.1.0

This release includes:

• Added support of:
  • Nucleo-F302R8 (thanks @knielsen)
  • Nucleo-F303K8 (thanks @tofuman0)
  • Discovery L072CZ-LRWAN1 (thanks @knielsen)
• Enabled FPU Single Precision (SP)
• Update HAL/CMSIS Drivers for F0, F2, F4, F7, L0, L1, L4
• Added missing U(S)ART peripherals management
• Serialx instance now generic
• Added missing -g option for debug
• Use STL C++ instead of macro
• Use interrupt mode for I2C transfers
• Wire Rx/Tx buffers are now dynamically allocated (min size: BUFFER_LENGTH)
• Disabled Core callback feature (Use -DCORE_CALLBACK to enable it)
• Several other fixes ...

Several components libraries created on stm32duino organization.
They are available through the Arduino library manager. Search for STM32duino ;)

Note: Old release was 2017.11.24